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  1. Help-Desk
  2. HELP-16903

[fiware-stackoverflow] Fiware IoT Agent Data loss During MQTT Broker data subscription

    Details

    • Type: Monitor
    • Status: Closed
    • Priority: Major
    • Resolution: Done
    • Affects Version/s: None
    • Fix Version/s: 2021
    • Component/s: FIWARE-TECH-HELP
    • Labels:

      Description

      Created question in FIWARE Q/A platform on 24-08-2020 at 15:08
      Please, ANSWER this question AT https://stackoverflow.com/questions/63562400/fiware-iot-agent-data-loss-during-mqtt-broker-data-subscription

      Question:
      Fiware IoT Agent Data loss During MQTT Broker data subscription

      Description:
      we have seen IoT Agent not receiving all the data from MQTT Broker(Vernemq) after restart the MQTT broker.Plz find below the testing scenario.
      we did the testing with MQTT Broker(vernemq) in 1 ec2 and 2 iot Agent with restating vernemq in between
      1- send 11 and 24 records
      Received 11 and 24 at iot agent
      2- Restarted EC2 vernemq
      3- send 24 records
      Received 7 at IoT Agent
      Note: Where other Subscriber got all 24 records at same time.
      4- Restarted IoT Agent and Send 24 records
      Received 24 at IoT Agent
      Data loss we are seeing while MQTT broker getting restart and IoT Agent still running.
      Please help us resolving the data loss issue.
      enter image description here

        Activity

        Transition Time In Source Status Execution Times Last Executer Last Execution Date
        Open Open In Progress In Progress
        9d 15h 51m 1 Fernando Lopez 03/Sep/20 9:57 AM
        In Progress In Progress Answered Answered
        1d 4h 36m 1 Jason Fox 04/Sep/20 2:33 PM
        Answered Answered Closed Closed
        3m 56s 1 Jason Fox 04/Sep/20 2:37 PM
        fla Fernando Lopez made changes -
        Fix Version/s 2021 [ 12600 ]
        jason.fox Jason Fox made changes -
        Resolution Done [ 10000 ]
        Status Answered [ 10104 ] Closed [ 6 ]
        Hide
        jason.fox Jason Fox added a comment -

        Engaged with user, ascertained that this is a duplicate of another question on StackOverflow: stackoverflow.com/questions/63136089

        StackOverflow is not an open customer service website for FIWARE and the questions posted there need to follow a set style and apply to a given set of rules: https://stackoverflow.com/help/on-topic - Repeating a question without more detail instead of providing more information on the original question is not going to get any response on StackOverflow.

        Show
        jason.fox Jason Fox added a comment - Engaged with user, ascertained that this is a duplicate of another question on StackOverflow: stackoverflow.com/questions/63136089 StackOverflow is not an open customer service website for FIWARE and the questions posted there need to follow a set style and apply to a given set of rules: https://stackoverflow.com/help/on-topic - Repeating a question without more detail instead of providing more information on the original question is not going to get any response on StackOverflow.
        jason.fox Jason Fox made changes -
        Status In Progress [ 3 ] Answered [ 10104 ]
        fla Fernando Lopez made changes -
        Status Open [ 1 ] In Progress [ 3 ]
        fla Fernando Lopez made changes -
        Assignee Jason Fox [ jason.fox ]
        backlogmanager Backlog Manager made changes -
        Field Original Value New Value
        Component/s FIWARE-TECH-HELP [ 10278 ]
        Hide
        backlogmanager Backlog Manager added a comment -

        2020-08-24 18:05|CREATED monitor | # answers= 0, accepted answer= False

        Show
        backlogmanager Backlog Manager added a comment - 2020-08-24 18:05|CREATED monitor | # answers= 0, accepted answer= False
        backlogmanager Backlog Manager created issue -

          People

          • Assignee:
            jason.fox Jason Fox
            Reporter:
            backlogmanager Backlog Manager
          • Votes:
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            Watchers:
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            Dates

            • Created:
              Updated:
              Resolved: